Intersquad is valid Scrabble Word

Is intersquad a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List YES
Collins Scrabble Words NO
Is intersquad valid Words with Friends?
Words with Friends NO

Definitions for INTERSQUAD in dictionary:

Find what other words can be done using letters: "intersquad"
https://scrabble-word.com/finder/intersquad
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